#include <stdio.h>


//枚举默认从0开始

//提高swich分支可读性
enum data
{
    INSERT,
    REMOVE,
    SHOW
};

int main()
{

    enum data d;
    printf("%d\n",sizeof(d));
    int choice = 0;
    scanf("%d",&choice);
    switch(choice)
    {
        case INSERT:
            break;
        case REMOVE:
            break;
        case SHOW:
            break;
    }
    return 0;
}